List of Sonic Stores in Richardson, TX Outlet Note Regular Brands Sonic Texas Richardson Rating 4.5 based on 91 votes Official Website https://www.sonicdrivein.com/ Products Snacks Ice Cream Drinks Chicken Hot Dogs Burgers NameAddressPhone Name/Address/Phone Sonic Drive-In outlet - Richardson 605 S Plano Rd (972) 497-9952 Sonic outlet - Richardson 520 Centennial Blvd (972) 671-9413 Sonic outlet - Richardson 605 S Plano Rd (972) 497-9952 People Also Viewed